双功能
光催化
材料科学
兴奋剂
选择性
催化作用
制氢
载流子
化学工程
氧化还原
纳米技术
光化学
化学
光电子学
有机化学
冶金
工程类
作者
Man Yang,Wenxing Chen,Sheng Wang,Liang Zhao,Guozhi Ma,Kenji Ogino,Jinghui Bi,Weidong Yang,Weiyou Yang,Huilin Hou
标识
DOI:10.1016/j.colsurfa.2024.135033
摘要
In this study, Cu-doped ZnIn2S4 nanosheets were synthesized through cation exchange reactions to enhance the dual-functional photocatalytic processes of CO2 reduction and hydrogen evolution. The optimized Cu doping levels in Cu-ZIS samples significantly improved the photocatalytic performance, resulting in enhanced H2-evolution rates and increased selectivity in CO2 reduction, particularly in the production of C2H4 and CO. Characterization techniques confirmed the successful integration of Cu into the ZIS lattice, thereby improving charge transfer and separation within the material. Mechanistic studies indicated that Cu doping enhanced light absorption, charge transfer efficiency, and introduced shallow energy levels, consequently reducing charge carrier recombination and improving overall catalytic performance. These findings highlight the substantial potential of Cu-doped ZnIn2S4 nanosheets for sustainable dual-functional applications in solar energy conversion.
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